Key telephone set with speaker phone



FIG. 1 is a front elevational view of a key telephone set with speakerphone showing our new design in cradled relationship;

FIG. 2 is a top plan view thereof;

FIG. 3 is a rear elevational view thereof;

FIGS. 4 and 5 are respectively right and left side elevational views thereof;

FIG. 6 is a bottom plan view thereof; and

FIG. 7 is a front, top and right side perspective view thereof. 

The ornamental design for key telephone set with speakerphone, as shown and described. 